Home / 20,353.69-30,532.47-6,313.87

Finding the Fourth Proportional to 20,353.69, 30,532.47 and 6,313.87

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Solution

The fourth proportional to 20,353.69, 30,532.47 and 6,313.87 is: 9,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.69 : 30,532.47 = 6,313.87 : x
  2. Step 2: Convert to fraction form
    20,353.69/30,532.47 = 6,313.87/x
  3. Step 3: Cross multiply
    20,353.69x = 30,532.47 × 6,313.87
  4. Step 4: Simplify right side
    20,353.69x = 192,778,046.36
  5. Step 5: Solve for x
    x = 192,778,046.36/20,353.69
  6. Step 6: Final answer
    x = 9,471.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.